今天@tvb提醒新手“带宽开源：建议新人把部分SBD适当地power up成sp"( https://steemit.com/steemit/@tvb/i-suggest-that-newcomer-power-up-moderate-sbd-to-sp-or-sbd-power-up-sp)的事情. 因是小鱼，SP没有少，我持续在把SBD换成SP，但这两天注意到blocktrades上SBD换Steem Power不划算了。
10天前我在blocktrades上0.654SBD能换1.051 steem power
昨天 0.482SBD只能换0.474 Steem Power
就是说10天前1SBD能换1.607SP，昨天1SBD只能换0.983SP 。因此，提醒大家在每次换的时候先小额试试看是否划算。
Good choice. We need steem power for invest
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yeah, we also need good price
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你可以在内部市场用SBD兑换steem，然后再power up成SP。
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测试了，0.811SBD只能换0.676Steem, 0.811SBD也只能换0.676Steem Power，现在不划算了
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我说的内部市场不是 blocktrades，是这个Market，这里没有blocktrades那么高的手续费：
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谢谢提醒！
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Mutual attention and vote thank you.
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